Neil Patrick Harris pushed to have a Dr. Horrible reunion with Nathan Fillion on A Series of Unfortunate Events

TVLine

"It’s really fun to work with actors who can play in a sandbox, but don’t toss sand everywhere,” he says of his Dr. Horrible Sing-Along Blog co-star. “You still have to hit your marks every time and monitor the crew and respect schedules and be a worker. And Nathan’s a worker through and through.” ALSO: Harris on ending the Netflix series with Season 3.